Home / 198,818.53-274,367.45-118,244.29

Finding the Fourth Proportional to 198,818.53, 274,367.45 and 118,244.29

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Solution

The fourth proportional to 198,818.53, 274,367.45 and 118,244.29 is: 163,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.53 : 274,367.45 = 118,244.29 : x
  2. Step 2: Convert to fraction form
    198,818.53/274,367.45 = 118,244.29/x
  3. Step 3: Cross multiply
    198,818.53x = 274,367.45 × 118,244.29
  4. Step 4: Simplify right side
    198,818.53x = 32,442,383,733.14
  5. Step 5: Solve for x
    x = 32,442,383,733.14/198,818.53
  6. Step 6: Final answer
    x = 163,175.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.